2010-10-07: The pyang tool is now released as version 1.0, RFC 6020 compatible.

2010-10-06: The YANG specification is now published as RFC 6020, and YANG types as RFC 6021.

2010-06-18: The latest YANG draft (draft-ietf-netmod-yang-13) and YANG types draft (draft-ietf-netmod-yang-types-09) have been accepted and are now in the RFC editor's queue. See YangDocuments for more info.

2010-04-14: A new updated version (draft-ietf-netmod-yang-12) has been published. See YangDocuments for more info.

2010-01-12: A new updated version (draft-ietf-netmod-yang-10) has been published. See YangDocuments for more info.

2009-10-15: Added a new tutorial from IETF75, updated YangDocuments with pointers to the latest YANG documents.

2009-06-24: Added a link to the jYang Java implementation. See YangTools for more info.

2009-04-20: A new updated version (draft-ietf-netmod-yang-05) has been published. See YangDocuments for more info.

2009-01-12: A new updated version (draft-ietf-netmod-yang-03) has been published. See YangDocuments for more info.

2008-11-04: Added link to the standard YANG types document. See YangDocuments for more info.

2008-11-04: Updated examples and tutorial so they are compliant with the current spec.

2008-11-03: draft-ietf-netmod-yang-02 published. See YangDocuments for more info.

2008-04-29: The IETF NETMOD WG is formed to develop the YANG data modeling language for NETCONF.